Why? Because Y&R parent company WPP Group is holding him to the six-month notice period in his contract—at least for now, according to sources.

Historically, notice periods were designed to give an agency losing an executive time to find a successor. Also, a cooling-off period between jobs, in theory, keeps an outgoing exec from using client business information in his new post. In Murray’s case, however, Y&R has already filled his North American CEO rol